a wet commute around seattle, portland, boise and northern california. also snow-covered passes in parts of the cascades and northern rockies. rain soaks highways from cleveland and detroit down to the gulf coast. >>> if you're flying today, airport delays are possible in new orleans, atlanta and detroit. >>> back in the news this morning. investigators in indiana will be back at the scene of that deadly house explosion in indianapolis today. dozens of homes were destroyed or damaged. >> a second grade teacher and her husband died in the blast. for more on the investigation, here's abc's john schriffen. >> reporter: this gaping hole is all that's left. charred foundations burnted out roofs, jarred by explosion so intense that at least two people are dead and at least eight others injured. >> garage doors blown in, house blown in. >> reporter: this neighborhood was rocked from their beds as a blast ignited two homes and ignited several others. many in pajamas clutching their pets. a scene so desperate, neighbors rushed in to help. >> as soon as i got to t